2685048077 has 4 divisors (see below), whose sum is σ = 2687284956. Its totient is φ = 2682811200.

The previous prime is 2685048073. The next prime is 2685048161. The reversal of 2685048077 is 7708405862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7708405862 = 2 ⋅3854202931.

It can be written as a sum of positive squares in 2 ways, for example, as 950242276 + 1734805801 = 30826^2 + 41651^2 .

It is a cyclic number.

It is not a de Polignac number, because 2685048077 - 2² = 2685048073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685048073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116638 + ... + 1119039.

It is an arithmetic number, because the mean of its divisors is an integer number (671821239).

Almost surely, 2^2685048077 is an apocalyptic number.

It is an amenable number.

2685048077 is a deficient number, since it is larger than the sum of its proper divisors (2236879).

2685048077 is a wasteful number, since it uses less digits than its factorization.

2685048077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236878.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 2685048077 is about 51817.4495416361. The cubic root of 2685048077 is about 1389.9014951846.

The spelling of 2685048077 in words is "two billion, six hundred eighty-five million, forty-eight thousand, seventy-seven".